Finding the Fourth Proportional to 2,457.46, 3,391.42 and 1,395.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.46 : 3,391.42 = 1,395.30 : x
2. Step 2: Convert to fraction form
   2,457.46/3,391.42 = 1,395.30/x
3. Step 3: Cross multiply
   2,457.46x = 3,391.42 × 1,395.30
4. Step 4: Simplify right side
   2,457.46x = 4,732,048.33
5. Step 5: Solve for x
   x = 4,732,048.33/2,457.46
6. Step 6: Final answer
   x = 1,925.59